According to the official site, the first BD/DVD volume of Arslan Senki (TV)
, to be released on July 23, 2015, will bundle a four-panel manga illustrated by mangaka Hiromu Arakawa
. The short OVA will be based on the same four-panel manga.
The anime adaptation of Hiromu Arakawa's manga adaptation
of the original light novel Arslan Senki
is currently airing. The original light novel was previously adapted into a 6-episode OVA
which aired from August 1991 to September 1995.
Source: Official site